https://www.theverge.com/2018/3/20/17144432/facebook-investigation-new-york-massachusetts-attorney-generals-data-breach-cambridge-analytica >New York and Massachusetts attorneys general are demanding that Facebook hand over information about how Cambridge Analytica used its data. They announced a joint investigation today following reports over the weekend that Cambridge Analytica improperly acquired data on 50 million Facebook users, which it used as part of President Trump’s 2016 campaign. >According to The New York Times and The Observer, the co-founder of Cambridge Analytica, Christopher Wylie, led an initiative starting in 2014 to help political campaigns profile voters. As part of the project, the company harvested data from Facebook through a third-party quiz app.